Refactor: Split the LineDef_BackClosed() logic into two new routines
The two users of this logic, the map renderer's sky fix geometryconstruction and the light level delta calculation need to nowdiverge.
This logic never belonged in LineDef in any case...
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Refactor: Split the LineDef_BackClosed() logic into two new routines
The two users of this logic, the map renderer's sky fix geometry
construction and the light level delta calculation need to now
diverge.
This logic never belonged in LineDef in any case...